If you mix yellow and blue, you get green., If I feel tired, I take a nap., If you heat ice, it melts., If dogs are hungry, they bark., If the phone rings, I answer it., If I don’t drink water, I get a headache., If you leave food outside, insects come., If people are tired, they yawn., If you press this key, the computer turns off., If it snows, children build snowmen.,

Conditionals: zero & first conditionals (English Grammar) [3]

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